P0031

DTC P0031: HO2S (Bank 1 Sensor-1) Heater Control Circuit Low / High

Wiring Diagram:

Wiring Diagram

DTC Detecting Condition And Trouble Area:

DTC Detecting Condition and Trouble Area

DTC Confirmation Procedure
1. Connect scan tool with ignition switch turned OFF.
2. Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool and run engine at idle speed for 5 min.
3. Check pending DTC by using scan tool.

Step 1 - 7:

Step 7(Continued) - 11:

DTC Troubleshooting